2021 Offshore Symposium Speakers
“Industry Transitions from Oil & Gas to Renewable Energy –
Current Trends in the Wake of the COVID-19 Era”
Dr. David Petruska
Senior Advisor at BP
Dr. David Petruska is the senior advisor for floating systems at BP on the Innovation and Engineering team. He has 30 years of experience in the offshore industry. He has worked on several of BP deep-water projects, provides strategic operation support to BP’s fleet of 7 floating production systems and sets the strategy for the floating systems discipline. He is also the chair of ISO TC67/SC7 and past chair of API RP 2SK WG. He is also presently supporting BP offshore wind development activities.
David graduated from Washington University with a Doctorate, Master and Bachelor of Science degree in Structural Engineering, is a Fellow member of SNAME and licensed PE in Texas.
Digital Twin: key to digitalization and transformation of the offshore industry?
Dr. Amir Izadparast
Senior Research Engineer at SOFEC
Dr. Amir Izadparast is a senior research engineer in the mooring and hydrodynamic department of SOFEC. He has more than 10 years of experience in the analysis, design, monitoring, and integrity management of mooring systems for FPSOs. He has supported the digitalization and data management efforts at SOFEC and is enthusiastic about advancement of technology in the field of offshore engineering.
Amir received his Ph.D. degree from Ocean Engineering Department at Texas A&M University and has M.Sc. and B.Sc. in Civil Engineering from University of Tehran and Shiraz University, respectively. He is a member of the ISOPE technical committee, contributes to API/ISO harmonization efforts, and serves as the SNAME Chair at the OTC technical subcommittee.
Manager at Chevron
Keith Johnston leads the digital engineering team at the Chevron Technical Center. He has more than 20 years of experience in engineering design in the oil and gas sector (upstream, midstream, downstream and petrochemicals). His areas of expertise include design development, engineering management, systems engineering, agile product development and project delivery. He has led the development of several key engineering solutions for Chevron including the development of the digital twin.
Keith received his Master’s degree in Technology Management from Pretoria University and has a B.Sc. in Mechanical Engineering from the University of Cape Town. He is a member of INCOSE and contributes to the IOGP digitalization task force.
Dr. Haitao Liu
Manager at American Bureau of Shipping (ABS)
Dr. Haitao Liu is the manager of systems engineering in American Bureau of Shipping (ABS). He has over 15 years of experience in marine and offshore industry, spanning a range of disciplines and roles, with highlights including advanced structural analysis, operational and environmental performance, design optimization, regulation and class rules. His current technical focuses include data analytics, smart and autonomous, structural digital twin, systems engineering and condition-based class.
Haitao holds a doctor’s degree in structural engineering from University of Iowa, a master’s degree in in ocean engineering from Chinese Academy of Sciences and a bachelor’s degree in engineering mechanics from Peking University, China.
Senior Principal Engineer at DNV
Christian Markussen holds a Master of Science in Mechanical Engineering from South Dakota School of Mines and Technology, USA. He has been working with offshore, subsea, drilling & workover related systems as well as subsea field development since 1996. He has held various positions during this period such as project manager, Service Director for Technology Qualification, Head of Section for “Subsea & Well Technology”, Business Manager for SURF.
He was stationed in Houston for 5 years where he initially worked with risk management for deepwater projects and later established and managed the technology qualification unit there. He has worked for Norsk Hydro as the HSE and Technical Safety lead for the Vega subsea tie-back to Gjøa. Has been a member of the Subsea Installation Network managed by “Norsk Olje og Gas” as well as the “Subsea Expert Group” responsible for developing NORSOK U-001.
Recently he has been a main author of DNVGL-RP-A204 “Qualification and assurance of Digital Twins” that describes the methodology and process for developing digital twins. He is currently seconded to AkerBP to assist in developing the digital twin for the NOA field development.
Principal at Stress Engineering Services
Mr. Renzi is specialized in floating systems asset integrity management, performance analysis of floating production systems and analysis and design of marine riser and mooring systems.